• Fixes bug with propagation (#37)
• Adds support for sampling with Zipkin (rnburn/zipkin-cpp-opentracing#20)
• Removes vendor-specific modules in favor or using opentracing_load_tracer
• Adds pre-built binaries that can be dropped into existing NGINX installations without requiring a build from source.
• Added CI to auto-deploy the nginx-opentracing docker image.